EP1098284A3 - A smoke alarm device - Google Patents
A smoke alarm device Download PDFInfo
- Publication number
- EP1098284A3 EP1098284A3 EP00650177A EP00650177A EP1098284A3 EP 1098284 A3 EP1098284 A3 EP 1098284A3 EP 00650177 A EP00650177 A EP 00650177A EP 00650177 A EP00650177 A EP 00650177A EP 1098284 A3 EP1098284 A3 EP 1098284A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensitivity
- logic block
- comparator circuit
- seconds
- threshold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000779 smoke Substances 0.000 title abstract 3
- 230000035945 sensitivity Effects 0.000 abstract 2
- 238000012360 testing method Methods 0.000 abstract 2
- 238000011109 contamination Methods 0.000 abstract 1
- 230000007423 decrease Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
- G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
- G08B29/043—Monitoring of the detection circuits of fire detection circuits
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/20—Calibration, including self-calibrating arrangements
- G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/20—Calibration, including self-calibrating arrangements
- G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
- G08B29/26—Self-calibration, e.g. compensating for environmental drift or ageing of components by updating and storing reference thresholds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE990927 | 1999-11-05 | ||
IE990927 | 1999-11-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1098284A2 EP1098284A2 (en) | 2001-05-09 |
EP1098284A3 true EP1098284A3 (en) | 2002-05-08 |
EP1098284B1 EP1098284B1 (en) | 2004-05-06 |
Family
ID=11042156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00650177A Expired - Lifetime EP1098284B1 (en) | 1999-11-05 | 2000-11-03 | A smoke alarm device |
Country Status (5)
Country | Link |
---|---|
US (1) | US6437698B1 (en) |
EP (1) | EP1098284B1 (en) |
AT (1) | ATE266235T1 (en) |
DE (1) | DE60010411T2 (en) |
IE (2) | IES20000884A2 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7057517B1 (en) * | 2002-01-22 | 2006-06-06 | Joseph Convery | Alarm network |
EP1369836B1 (en) * | 2002-05-08 | 2005-12-21 | HEKATRON Technik GmbH | Smoke detector and method for its operation |
US7830252B2 (en) * | 2003-08-14 | 2010-11-09 | Wheelock, Inc. | Method and apparatus for providing an ASIC controlled alarm unit |
US7119678B2 (en) * | 2004-05-26 | 2006-10-10 | Honeywell International, Inc. | Wireless light sensor input to a security system |
JP3950135B2 (en) * | 2004-11-26 | 2007-07-25 | 株式会社日立製作所 | Gas detection system |
TWI387747B (en) * | 2005-03-31 | 2013-03-01 | Fenwal Controls Japan Ltd | Photoelectric smoke detector |
US7893825B2 (en) * | 2007-11-20 | 2011-02-22 | Universal Security Instruments, Inc. | Alarm origination latching system and method |
EP2091029B2 (en) † | 2008-02-15 | 2020-11-18 | Siemens Schweiz AG | Hazard recognition utilising a temperature measurement device integrated in a microcontroller |
EP2297717B1 (en) * | 2008-06-13 | 2012-10-31 | Siemens Aktiengesellschaft | Determination of an alarm-issuing time of an alarm device |
IE20110103A1 (en) | 2010-03-04 | 2011-09-14 | E I Technology Ltd | Improvements relating to smoke alarm devices |
US9396637B2 (en) | 2012-07-13 | 2016-07-19 | Walter Kidde Portable Equipment, Inc | Photoelectric smoke detector with drift compensation |
US9330550B2 (en) * | 2012-07-13 | 2016-05-03 | Walter Kidde Portable Equipment, Inc. | Low nuisance fast response hazard alarm |
US8994525B2 (en) | 2013-03-15 | 2015-03-31 | Tyco Fire & Security Gmbh | Method for testing notification appliances in alarm systems |
US9520042B2 (en) * | 2013-09-17 | 2016-12-13 | Microchip Technology Incorporated | Smoke detector with enhanced audio and communications capabilities |
US9159218B2 (en) | 2013-09-17 | 2015-10-13 | Microchip Technology Incorporated | Initiation of carbon monoxide and/or smoke detector alarm test using image recognition and/or facial gesturing |
GB2537940B (en) | 2015-05-01 | 2018-02-14 | Thorn Security | Fire detector drift compensation |
JP6858613B2 (en) * | 2017-03-28 | 2021-04-14 | 大阪瓦斯株式会社 | Fire alarm |
EP3640905A4 (en) * | 2017-06-14 | 2021-03-17 | Hochiki Corporation | Alarm device |
JP6957273B2 (en) * | 2017-08-31 | 2021-11-02 | ホーチキ株式会社 | Scattered light detector |
US11568730B2 (en) | 2017-10-30 | 2023-01-31 | Carrier Corporation | Compensator in a detector device |
US20220351595A1 (en) * | 2020-04-23 | 2022-11-03 | Brian A Ryznic | Combination recessed light and smoke sensor and carbon monoxide sensor system |
EP4377929A1 (en) * | 2021-07-29 | 2024-06-05 | Gilbert Alain Lindsay Garrick | Testing of detection and warning functions of interconnected smoke, heat and carbon monoxide alarms by a single person |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4086574A (en) * | 1975-07-25 | 1978-04-25 | Hochiki Corporation | Fire detection system |
US4757303A (en) * | 1986-06-03 | 1988-07-12 | Cerberus Ag | Alarm system |
US4897634A (en) * | 1986-12-26 | 1990-01-30 | Hochiki Kabushiki Kaisha | Scattered-light smoke detector with a shielding structure of detector circuits |
US5523743A (en) * | 1995-04-13 | 1996-06-04 | Digital Security Controls Ltd. | Self-diagnostic smoke detector |
US5691704A (en) * | 1996-01-29 | 1997-11-25 | Engelhard Sensor Technologies, Inc. | Practical and improved fire detector |
JPH10241075A (en) * | 1997-02-26 | 1998-09-11 | Matsushita Electric Works Ltd | Photoelectric type smoke detector |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5019805A (en) * | 1989-02-03 | 1991-05-28 | Flash-Alert Inc. | Smoke detector with strobed visual alarm and remote alarm coupling |
DE69531898T2 (en) * | 1994-08-26 | 2004-05-19 | Interlogix, Inc., North Saint Paul | AUTONOMOUS, SELF-ADJUSTING SMOKE DETECTOR AND METHOD FOR ITS OPERATION |
US6064064A (en) * | 1996-03-01 | 2000-05-16 | Fire Sentry Corporation | Fire detector |
-
2000
- 2000-11-03 AT AT00650177T patent/ATE266235T1/en not_active IP Right Cessation
- 2000-11-03 IE IE20000884A patent/IES20000884A2/en not_active IP Right Cessation
- 2000-11-03 DE DE60010411T patent/DE60010411T2/en not_active Expired - Lifetime
- 2000-11-03 EP EP00650177A patent/EP1098284B1/en not_active Expired - Lifetime
- 2000-11-03 IE IE20000885A patent/IE20000885A1/en not_active IP Right Cessation
- 2000-11-06 US US09/705,745 patent/US6437698B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4086574A (en) * | 1975-07-25 | 1978-04-25 | Hochiki Corporation | Fire detection system |
US4757303A (en) * | 1986-06-03 | 1988-07-12 | Cerberus Ag | Alarm system |
US4897634A (en) * | 1986-12-26 | 1990-01-30 | Hochiki Kabushiki Kaisha | Scattered-light smoke detector with a shielding structure of detector circuits |
US5523743A (en) * | 1995-04-13 | 1996-06-04 | Digital Security Controls Ltd. | Self-diagnostic smoke detector |
US5691704A (en) * | 1996-01-29 | 1997-11-25 | Engelhard Sensor Technologies, Inc. | Practical and improved fire detector |
JPH10241075A (en) * | 1997-02-26 | 1998-09-11 | Matsushita Electric Works Ltd | Photoelectric type smoke detector |
Also Published As
Publication number | Publication date |
---|---|
EP1098284A2 (en) | 2001-05-09 |
IE20000885A1 (en) | 2001-05-16 |
DE60010411T2 (en) | 2005-05-19 |
ATE266235T1 (en) | 2004-05-15 |
US6437698B1 (en) | 2002-08-20 |
EP1098284B1 (en) | 2004-05-06 |
IES20000884A2 (en) | 2001-05-16 |
DE60010411D1 (en) | 2004-06-09 |
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